Base | Representation |
---|---|
bin | 101111101100… |
… | …010110101010 |
3 | 212112012010102 |
4 | 233230112222 |
5 | 11200034232 |
6 | 1123545402 |
7 | 211161161 |
oct | 57542652 |
9 | 25465112 |
10 | 12502442 |
11 | 706a2a7 |
12 | 422b262 |
13 | 27898c4 |
14 | 19363d8 |
15 | 116e662 |
hex | bec5aa |
12502442 has 8 divisors (see below), whose sum is σ = 18798276. Its totient is φ = 6236352.
The previous prime is 12502439. The next prime is 12502447. The reversal of 12502442 is 24420521.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 11895601 + 606841 = 3449^2 + 779^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×125024422 = 312622111926728, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12502447) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6353 + ... + 8084.
Almost surely, 212502442 is an apocalyptic number.
12502442 is a deficient number, since it is larger than the sum of its proper divisors (6295834).
12502442 is a wasteful number, since it uses less digits than its factorization.
12502442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14872.
The product of its (nonzero) digits is 640, while the sum is 20.
The square root of 12502442 is about 3535.8792400194. The cubic root of 12502442 is about 232.0945537098.
Adding to 12502442 its reverse (24420521), we get a palindrome (36922963).
The spelling of 12502442 in words is "twelve million, five hundred two thousand, four hundred forty-two".
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